Merging upstream version 3.1.1.

Signed-off-by: Daniel Baumann <daniel@debian.org>

CHANGELOG.md

@@ -1,3 +1,11 @@
+3.1.1 - 2023-02-27
+==================
+
+### Fixes
+- Fix `rust` with `language_version` and a non-writable host `RUSTUP_HOME`.
+    - pre-commit-ci/issues#173 by @Swiftb0y.
+    - #2788 by @asottile.
+
 3.1.0 - 2023-02-22
 ==================
 

pre_commit/languages/rust.py

@@ -142,10 +142,15 @@ def install_environment(
         else:
             packages_to_install.add((package,))
 
-    with in_env(prefix, version):
+    with contextlib.ExitStack() as ctx:
+        ctx.enter_context(in_env(prefix, version))
+
         if version != 'system':
             install_rust_with_toolchain(_rust_toolchain(version))
 
+            tmpdir = ctx.enter_context(tempfile.TemporaryDirectory())
+            ctx.enter_context(envcontext((('RUSTUP_HOME', tmpdir),)))
+
         if len(lib_deps) > 0:
             _add_dependencies(prefix, lib_deps)
 

setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = pre_commit
-version = 3.1.0
+version = 3.1.1
 description = A framework for managing and maintaining multi-language pre-commit hooks.
 long_description = file: README.md
 long_description_content_type = text/markdown